CUMMINS ENGINE COMPANY
674Patents
0Active
674Granted
46Portfolio score
Filing activity: Jul 2, 1973 → Jul 7, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5619412A | Remote control of engine idling time | Mechanical Engineering; Lighting; Heating | 241 | Expired |
| US5472463A | Pressure side integrated air filter and filtering networks for engines | Mechanical Engineering; Lighting; Heating | 216 | Expired |
| US6276334A | Premixed charge compression ignition engine with optimal combustion control | Emerging Cross-Sectional Technologies | 192 | Expired |
| US6230683A | Premixed charge compression ignition engine with optimal combustion control | Emerging Cross-Sectional Technologies | 151 | Expired |
| US6286482A | Premixed charge compression ignition engine with optimal combustion control | Emerging Cross-Sectional Technologies | 137 | Expired |
| US5715788A | Integrated fuel injector and ignitor assembly | Mechanical Engineering; Lighting; Heating | 133 | Expired |
| US6408625B1 | Operating techniques for internal combustion engines | Emerging Cross-Sectional Technologies | 117 | Expired |
| US6718425B1 | Handheld computer based system for collection, display and analysis of engine/vehicle data | Physics | 114 | Expired |
| US5617726A | Cooled exhaust gas recirculation system with load and ambient bypasses | Emerging Cross-Sectional Technologies | 113 | Expired |
| US6298718A | Turbocharger compressor diagnostic system | Emerging Cross-Sectional Technologies | 101 | Expired |
| US5678521A | System and methods for electronic control of an accumulator fuel system | Mechanical Engineering; Lighting; Heating | 101 | Expired |
| US4179892A | Internal combustion engine with exhaust gas recirculation | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4324213A | Lubrication fluid filtering and cooling assembly | Mechanical Engineering; Lighting; Heating | 97 | Expired |
| US6306063A | System for controlling combustion engine performance in accordance with driver behavior | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5070832A | Engine protection system | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5611204A | EGR and blow-by flow system for highly turbocharged diesel engines | Mechanical Engineering; Lighting; Heating | 94 | Expired |
| US6113474A | Constant force truing and dressing apparatus and method | Performing Operations; Transporting | 94 | Expired |
| US4738776A | Lubricant filter assembly | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5199261A | Internal combustion engine with turbocharger system | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5321582A | Electronic component heat sink attachment using a low force spring | Electricity | 78 | Expired |
| US5732688A | System for controlling recirculated exhaust gas temperature in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US6067946A | Dual-pressure hydraulic valve-actuation system | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4532893A | Electronically controlled fuel pump | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5320909A | Ceramic thermal barrier coating for rapid thermal cycling applications | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5450835A | Oil separator for reducing oil losses from crankcase ventilation | Emerging Cross-Sectional Technologies | 68 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.